Improvement in automatic tamping devices for torpedoes



' 1' 1w A. P. GOTHAM'. vemnt in A utomati c-Ta mping Device for Torpedoe limpro Patented June 25,1872.

' EwenZor.

UNITED STATES PATENT OFFI E.

AMISA P. eornA on TIDIOUTE, PENNSYLVANIA.

IMPROVEMENT IN AUTOMATIC TAMPING DEVICES FOR TORPEDOES.

Specification forming of Letters Patent No. 128.299. dated June 25, 1872.

To all whom it may concern.- I c. I I represent folding wings, pivoted, at Be it known that I, AMISA P. GOTHAM, of their bases, in the block F. When the car- Tidionte, in the county of Warren and State tridge is being lowered within the well the of Pennsylvania, have invented a new and blocks G move upward upon the block F and the wings 1' fold inward against the-sides Improved Method called aSelfiTamping Blast,

for Blasting Rock, and togbe exploded in oil, 1 thereof and thereby form no material impedisalt, or Artesian welis to increase the producment to the descent of the shell. But when t-ionthereoi'; and I do hereby declare that the I the caps B are exploded the powder in the following is a full and exact description therecylinder becomes i nited, and the result is a of, reference being had to the accompanying sudden movement upward of the entire cardrawing and to theletters of referencemarked tridge. This sudden movemet not only forces thereon. 7 I l the caps J against the blocks G, producing Figure l of the drawing represents a verexplosion, but also opens the wings Ifand tical section of my cartridge. Fig. 2 is an ex- I the blocks G, being brought down to the cylternal View, and Fig. 3 is a detail. inder-head, become wedges that set against My invention relates to the construction of the walhand unite with the wings in resisting cartridges adapted for use in blasting rocks the upward movement of the cartridge. and removing obstructions 'to the flow of oil It wil be observed that both the blocks G in oil-wells,- and it consistsin the novel devices t and the wings I, when brought to the position hereinafter mentioned, and the arrangement last mentioned, project outward beyond the I shell of the cartridge. It is also obvious that wedged and held in the well or opening after 1 the open spacebetween the head E and the ignition of the explosive material.

ing a head, E, and bottom K, in which are drawing represents a handle for transporting arranged the exploding-caps J and B in the the cartridge. 7 manner shown. 0 represents. a water-space I claim as my invention below the bottom, in which is affixed the re- 1. In a blasting-cartridge, the combination movable diaphragm D. held in position by the f of the grooved block F and wedge-blocks G,

rods aa. When the shell is sunk into the waconstructed and arranged substantially as ter the diaphragm D is forced upward against the caps B and explodes them. F represents a triangular or wedge-shaped block attached to the top E, and. is constructed with grooves pecified.

2. In a-blasting-cartridge, the combination of the pivoted wings I and block F, construct- .ed and arranged substantially as described.

c, as shown on Fig. 3. G G represent mova- AM-ISAgP. GOTHAM. ble blocks that are connected with the block WVitnessesz- F, and travel up and down the oblique sides I W. E. PEELOR,

thereof, being held in positionby the grooves G. V. ALLEN.

i bottom K is intended to holdpowder or other Act the drawingrepresentsacylinder havexplosive substance. .The letter H on the 

